By default, there is a Default (Auto) rule, edit the rule by choosing [Custom] to use "Weighted Balance" algorithm, which distributes traffic proportionately according to the downstream bandwidth of the active connections. Please make sure other rules with higher priorities will not override the Default (Auto) rule for HTTP traffic.

Double click and run the Peplink Balance Broadband Speed Test tool to test the broadband speed. You can choose to download from a list of sites, or you can select Custom URL and enter your download target in the field of URL.

Click Start to begin the speed test. The Download Throughput will be shown as follows: